| Challenger - Ochsenhausen | 2019/07/17 07:10 | Yannick Vostes v Jakub Kosowski | L | 3-0 |
| Challenger - Ochsenhausen | 2019/07/15 07:50 | Jakub Kosowski v Yannick Vostes | W | 3-1 |
| Challenger - Ochsenhausen | 2019/04/18 12:30 | Yannick Vostes v Jakub Kosowski | L | 3-2 |
| Challenger - Ochsenhausen | 2018/12/19 11:30 | Yannick Vostes v Jakub Kosowski | W | 1-3 |
| Challenger - Ochsenhausen | 2018/11/23 13:50 | Yannick Vostes v Jakub Kosowski | L | 3-2 |
| Challenger - Ochsenhausen | 2018/11/22 12:50 | Jakub Kosowski v Yannick Vostes | L | 0-3 |
| Challenger - Ochsenhausen | 2018/10/26 08:30 | Yannick Vostes v Jakub Kosowski | L | 3-1 |
| Challenger - Ochsenhausen | 2018/08/01 07:10 | Jakub Kosowski v Yannick Vostes | W | 3-1 |
| Challenger - Ochsenhausen | 2019/07/19 10:30 | Marius Henninger v Jakub Kosowski | W | 0-3 |
| Challenger - Ochsenhausen | 2019/07/18 12:30 | Jakub Kosowski v Liang Qiu | W | 3-1 |
| Challenger - Ochsenhausen | 2019/07/18 11:10 | Evgueni Chtchetinine v Jakub Kosowski | W | 0-3 |
| Challenger - Ochsenhausen | 2019/07/18 09:10 | Frane Runjic v Jakub Kosowski | W | 0-3 |
| Challenger - Ochsenhausen | 2019/07/17 13:10 | Fedor Kuzmin v Jakub Kosowski | W | 1-3 |
| Challenger - Ochsenhausen | 2019/07/17 09:50 | Jiri Vrablik v Jakub Kosowski | L | 3-1 |
| Challenger - Ochsenhausen | 2019/07/17 07:10 | Yannick Vostes v Jakub Kosowski | L | 3-0 |
| Challenger - Ochsenhausen | 2019/07/16 13:15 | Jakub Kosowski v Miroslav Horejsi | L | 1-3 |
| Challenger - Ochsenhausen | 2019/07/19 09:50 | Yannick Vostes v Evgueni Chtchetinine | W | 3-1 |
| Challenger - Ochsenhausen | 2019/07/19 07:10 | Yannick Vostes v Frane Runjic | W | 3-1 |
| Challenger - Ochsenhausen | 2019/07/18 10:30 | Yannick Vostes v Fedor Kuzmin | L | 2-3 |
| Challenger - Ochsenhausen | 2019/07/18 07:10 | Yannick Vostes v Jiri Vrablik | L | 2-3 |
| Challenger - Ochsenhausen | 2019/07/17 12:30 | Yannick Vostes v Liang Qiu | L | 1-3 |
| Challenger - Ochsenhausen | 2019/07/17 09:10 | Marius Henninger v Yannick Vostes | W | 0-3 |
| Challenger - Ochsenhausen | 2019/07/17 07:10 | Yannick Vostes v Jakub Kosowski | W | 3-0 |
| Challenger - Ochsenhausen | 2019/07/16 14:00 | Yannick Vostes v Miroslav Horejsi | L | 1-3 |